Suppose some measurements are made on two different homogeneous stones to find outif they are made of the same kind of rock. The mass and volume measurements are listedbelow. Are the two stones the same type of rock? Why or why not? Show allcalculations.MassVolumeCalculationsStone 158.0 g20.0 cmStone 250.1 g15.0 cm321/common/assets/pdfjs/1.0.0.30/web/viewer.ht...ndered-pdf&fullscreen=Dd21-fileviewer-rendered-pdf-dialog&height=746#0

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Answered: Suppose some measurements are made on…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section: Chapter Questions

Problem 4.ECP

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7.The word pour is commonly used in reference to liquids but not to solids or gases. Can you pour a solid or a gas? Why or why not? If either answer is yes, can you give an example?
Hexane (C6H14, density = 0.766 g/cm3), perfluoro-hexane (C6F14, density = 1.669 g/cm3), and water are immiscible liquids; that is, they do not dissolve in one another. You place 10 mL of each in a graduated cylinder, along with pieces of high-density polyethylene (HDPE, density = 0.97 g/cm3), polyvinyl chloride(PVC, density = 1.36 g/cm3), and Teflon (density = 2.3 g/cm3). None of these common plastics dissolves in these liquids. Describe what you expect to see.
Suppose that you are closing a cabin in the north woods for the winter and you do not want the water in the toilet tank to freeze. You know that the temperature might get as low as 30. C, and you want to protect about 4.0 L water in the toilet tank from freezing. Calculate the volume of ethylene glycol (density = 1.113 g/mL; molar mass = 62.1 g/mol) you should add to the 4.0 L water.
Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 68.21 g/mol and the atomic radius in atomic radius is 0.101 nm, calculate its theoretical density in g/cm3. = 6.022 x 1023 atoms/mo. Express NA your answer in two decimal places only. Do not put the units.
K Maya Paniagua - RC Ch 10 HW.p x E The State of Nature & the Social X The School District of Palm Beac + kamihq.com/web/viewer.html?state=%7B"ids"%3A%5B"1_9_gDqlBsnEI9NLSL9h9ixQGOBwtxhyJ"%5D%2C*action"%3A*o. a Paniagua - CI. A Kami Uploads Maya Paniagua - RC Ch 10 HW.pdf 134% 10. A compound with the empirical formula CH has a molar mass of 78 g/mol. Determine its molecular formula. 11. A compound is found to consist of 43.64% phosphorus and 56.36% oxygen. The molar mass of the compound is 284 g/mol. Find the molecular formula of the compound.
LU eFu X NCH X E NCH X Ь Му х LU Oef X U Oef X U Oef x LU Oef x LU Oef x LU Oef x n 202 x n Oef x Mic x A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMj_g/formResponse Question 1: The compound in Figure 1 can be obtained from the oyster mushroom. It is used to slow the production of cholesterol in the body. Which of the following functional groups are not present in this compound? * O Alcohol O Ether Ester Alkene O Carboxylic acid Figure 1 HO Lavostatin 08:56 P Type here to search 25°C Sunny 2021/11/19
LU eFu X NCH X E NCH X ь Му х LU Oef x n Oef x U Oef x U Oef x LU Oef x LU Oef x O 202 x LU Oef x Mic x i docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMj_g/formResponse Question 28: Why is the mechanism shown in Figure 28 not plausible? * The reagent does not have a good leaving group. Water is too weak a base for the reaction to occur. The structure of the haloalkane prevents the nucleophile from coming close to the alpha carbon atom. None of these statements are correct. All these statements are correct. Figure 28 :Br? CH3 CH3 H CH3 CHcBr CH3 CH,-c- ÖH CH3-C-0 H. CH3 H-ö: H 09:11 P Type here to search 25°C Sunny 2021/11/19
U eFu X NCH X NCH X ь Му х LU Oef x n Oef x U Oef x O Oef x LU Oef x U Oef x U 202 x n Oef x h Mic x A docs.google.com/forms/d/e/1FAlpQLSFSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMij_g/formResponse Question 37: Give the preferred IUPAC name of the product of the reaction in Figure 37. [Use lowercase letters. Do not use spaces except where required in the official name.] * Jou antwoord Figure 37 CH3 1 LIAIH4 CH3-CH2-C-c=N 2 H* CH3 09:15 P Type here to search 25°C Sunny 2021/11/19
A typical atmospheric pressure in Leadville, Colorado (elevation 10,200 feet) is 68 kPa. Use the graph above to determine the boiling point of water at this elevation. °C
1.) In the Dumas method for determining the molar mass of an unknown volatile liquid, a sample of a volatile liquid that boils below 100 oC is vaporized in a boiling water bath and the mass of the vapor required to fill the flask is determined. The following data was collected: Flask Volume 100.0 +100.0 + 79.6 mL = 279.6 mL Mass of Flask + Cap 143.85 g Mass of Flask + Condensed Liquid 144.95 g Mass of Condensed Liquid 1.10 g Temperature of Water Bath (oC) 84.1 oC Barometric Pressure (atm) 0.985 atm a.) What is the molar mass of the unknown? b.) What will its temperature be when the pressure is 1.20 atm and the volume is 250.0 mL?
LU eFu X NCH X NCH X ь Му х U Oef x U Oef x U Oef x LU Oef x U Oef x n Oef x A 202 x n Oef x A Mic X A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMij_g/formResponse Question 19: Which structure in Figure 19 is numbered correctly? * O A O B D O None of these haloalkanes are numbered correctly. Figure 19 A Br Br Br Br 09:06 P Type here to search 25°C Sunny 2021/11/19 O O
density of irregular solid mass of irregular solid 8.299 g initial volume 48 mL final volume 55 mL total volume displaced 7 mL what is the density of irregulatr solid?

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